詹姆斯·梅森

James Mason

饰：Peter Vadassy

露西·曼海姆

Lucie Mannheim

饰：Mme Suzanne Koch

Raymond Lovell

饰：Robert Duclos

Julien Mitchell

饰：Michel Beghin, intelligence chief

赫伯特·罗姆

Herbert Lom

饰：Andre Roux

马丁·米勒

Martin Miller

饰：Walter Vogel

弗雷德里克·瓦尔克

Frederick Valk

饰：Emil Schimler, alias Paul Heimberger

帕特丽夏·梅迪纳

Patricia Medina

饰：Odette Roux

Anthony Shaw

饰：Major Anthony Chandon-Hartley

劳伦斯·汉雷

Laurence Hanray

饰：Police Commissioner (as Lawrence Hanray)

David Ward

饰：Henri Asticot

瓦伦丁·戴尔

Valentine Dyall

饰：Warren Skelton

帕特里夏·海斯

Patricia Hayes

饰：Woman

艾弗·巴纳德

Ivor Barnard

饰：P. Molon, chemist [druggist]

Ernst Ulman

饰：Detective in Black Suit

John Baker

饰：Policeman (uncredited)

Hugo Schuster

饰：Inspector (uncredited)

Clare Hamilton

Clare Hamilton

饰：Mary Skelton

Joseph Almas

Joseph Almas

饰：Albert, the waiter (as Josef Almas)

Hella Kürty

饰：Hilda Vogel (as Hella Kurty)

Henry T. Russell

Henry T. Russell

饰：Gendarme (uncredited)

Victor Rietti